CN100557970C - 滤波器和双工器 - Google Patents

滤波器和双工器 Download PDF

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Publication number
CN100557970C
CN100557970C CNB2007101038966A CN200710103896A CN100557970C CN 100557970 C CN100557970 C CN 100557970C CN B2007101038966 A CNB2007101038966 A CN B2007101038966A CN 200710103896 A CN200710103896 A CN 200710103896A CN 100557970 C CN100557970 C CN 100557970C
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CN
China
Prior art keywords
filter
circuit
terminal
inductor
arm resonator
Prior art date
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Active
Application number
CNB2007101038966A
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English (en)
Chinese (zh)
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CN101079611A (zh
Inventor
岩本康秀
井上将吾
上田政则
水户部整一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyo Yuden Co Ltd
Original Assignee
Fujitsu Ltd
Fujitsu Media Devices Ltd
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Publication date
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Publication of CN101079611A publication Critical patent/CN101079611A/zh
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Publication of CN100557970C publication Critical patent/CN100557970C/zh
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CNB2007101038966A 2006-05-18 2007-05-18 滤波器和双工器 Active CN100557970C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006139597 2006-05-18
JP2006139597A JP4177389B2 (ja) 2006-05-18 2006-05-18 フィルタおよび分波器

Publications (2)

Publication Number Publication Date
CN101079611A CN101079611A (zh) 2007-11-28
CN100557970C true CN100557970C (zh) 2009-11-04

Family

ID=38711446

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2007101038966A Active CN100557970C (zh) 2006-05-18 2007-05-18 滤波器和双工器

Country Status (4)

Country Link
US (1) US7629863B2 (ja)
JP (1) JP4177389B2 (ja)
KR (1) KR100954643B1 (ja)
CN (1) CN100557970C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200252053A1 (en) * 2019-01-31 2020-08-06 Murata Manufacturing Co., Ltd. Multiplexer and communication apparatus

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009025056A1 (ja) * 2007-08-23 2009-02-26 Fujitsu Limited デュープレクサ、通信モジュール、および通信装置
JP4578575B2 (ja) * 2008-07-30 2010-11-10 京セラ株式会社 分波器、通信用モジュール部品、及び通信装置
DE102010033969B4 (de) * 2010-08-11 2012-06-21 Epcos Ag Reaktanzfilter mit Unterdrückung im Sperrbereich
DE102010034914A1 (de) * 2010-08-20 2012-02-23 Epcos Ag Duplexer mit Balun
JP5682635B2 (ja) 2011-02-09 2015-03-11 株式会社村田製作所 高周波モジュール
US9077311B2 (en) * 2011-12-29 2015-07-07 Futurewei Technologies, Inc. Acoustic filter and method of acoustic filter manufacture
CN105515546A (zh) * 2016-02-01 2016-04-20 谷林超 一种新型高低通双工器电路
US10594293B2 (en) * 2016-10-31 2020-03-17 Samsung Electro-Mechanics Co., Ltd. Filter including bulk acoustic wave resonator
EP3550722A4 (en) * 2016-12-23 2019-12-25 Huawei Technologies Co., Ltd. FILTER AND METHOD FOR ADJUSTING THE PERFORMANCE OF A FILTER
CN109391242B (zh) * 2017-08-03 2022-08-09 株式会社村田制作所 复合型滤波器装置、高频前端电路以及通信装置
CN115955212B (zh) * 2023-03-14 2023-06-16 阿尔伯达(苏州)科技有限公司 一种扩大带宽的saw滤波器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2905094B2 (ja) 1994-07-01 1999-06-14 富士通株式会社 分波器パッケージ
WO2002037709A1 (fr) 2000-11-01 2002-05-10 Hitachi Metals, Ltd. Module de commutation
JP3973915B2 (ja) * 2001-03-30 2007-09-12 株式会社日立メディアエレクトロニクス 高周波フィルタ、高周波回路、アンテナ共用器及び無線端末
JP2003069382A (ja) 2001-08-27 2003-03-07 Matsushita Electric Ind Co Ltd 弾性表面波フィルタとそれを用いたアンテナ共用器
JP3855842B2 (ja) 2002-05-16 2006-12-13 株式会社村田製作所 弾性表面波分波器およびそれを有する通信装置
JP2004080233A (ja) 2002-08-14 2004-03-11 Murata Mfg Co Ltd 分波器
JP4170865B2 (ja) 2002-09-18 2008-10-22 日本電波工業株式会社 Ｓａｗフィルタ
AU2003274553A1 (en) * 2002-11-19 2004-06-15 Koninklijke Philips Electronics N.V. Duplexer and method of isolating an rx-band and a tx-band
JP4144509B2 (ja) * 2003-01-16 2008-09-03 株式会社村田製作所 ラダー型フィルタ、分波器、通信装置
US20070030094A1 (en) * 2004-08-11 2007-02-08 Ryoichi Omote Duplexer and communication apparatus
US7479850B2 (en) * 2006-04-05 2009-01-20 Tdk Corporation Miniaturised half-wave balun

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200252053A1 (en) * 2019-01-31 2020-08-06 Murata Manufacturing Co., Ltd. Multiplexer and communication apparatus
US11528010B2 (en) * 2019-01-31 2022-12-13 Murata Manufacturing Co., Ltd. Multiplexer and communication apparatus

Also Published As

Publication number Publication date
US7629863B2 (en) 2009-12-08
JP4177389B2 (ja) 2008-11-05
JP2007312145A (ja) 2007-11-29
CN101079611A (zh) 2007-11-28
KR20070112011A (ko) 2007-11-22
KR100954643B1 (ko) 2010-04-27
US20070268091A1 (en) 2007-11-22

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Address after: Tokyo, Japan, Japan

Patentee after: Taiyo Yuden Co., Ltd.

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Co-patentee before: Taiyo Yuden Co., Ltd.

Patentee before: Fujitsu Media Devices Ltd